<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格</title>
</head>
<body>
<table style="table-layout: fixed" width="500" height="500" ;border-collapse:collapse;>
    <tr>
        <td  colspan="2" bgcolor= darkseagreen></td>

        <td rowspan="2" bgcolor= blue></td>
    </tr>
    <tr >
        <td rowspan="2"  bgcolor= #ff8535></td>
        <td bgcolor= black ></td>

    </tr>
    <tr>

        <td colspan="2" bgcolor= #ffd432></td>

    </tr>
</table>

</body>
</html>